The LyriX PL4TEP supports both E1 and T1 in SS7 Signaling environments and is selectable on a per card or per-port basis. This feature enables signaling translation between E1 ISDN to E1 SS7 or Vice Versa.

The LyriX PL4TEP supports industry standard telephony and data protocols, including Primary Rate ISDN and SS7 (both N. American and Standard Euro) protocol families for voice, PPP, Cisco, HDLC, and Frame Relay data modes. Both line-side and trunk-side interfaces are supported, also included are advanced call features.

Target Applications

• Legacy PBX/IVR services
• Voice over Internet Protocol (VoIP) services
• Complex IVR trees
• “Meet-me-Bridge” conferencing
• VoIP Gateways (supports SIP, H.323 and ILX)
• Calling Card Platforms
• Voice/Data Router (replace expensive routers)

PRI Switch Capability

• Euro ISDN – (PRI or PRA)
• Q.931/Q.921
• AT&T 4ESS
• DMS 100
• Lucent 5E
• Network or CPE
• National ISDN 2

CAS & RBS Voice Modes

• Feature Group D
• E&M Wink
• A-Law, Mu-Law, and Linear Modes Supported
• Groundstart (FXO and FXS) with Optional
• Disconnect
• Supervision

Data Modes

• Sync PPP (both Fixed and Dialup)
• Frame Relay
• Cisco HDLC
• Multi-link PPP

Services and Features

• Caller ID
• Pseudo-TDM Conferencing with Zaptel Channels
• Digital Gain Control (Transmit and Receive)
• Dynamic Span Interaction (TDM over Ethernet)
• Echo Canceller
• ISDN RAS Capability
• Local and Remote Loop Backs
• Pseudo-TDM Bus Architecture Keeps Latency Low
• Supports Same Span Voice and Data
• Tone Internationalization (Tone Zones)

Hardware and Software Specification:

Dual Processor Pentium IV Xeon 1.8 GB, Memory 1 GB, HDD SCSI 20 GB, 4 T1/E1 Card, 96/120 G.729 License, Linux 2.4 Kernel

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